/*
 * Copyright (C) 2007 Esmertec AG.
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package im.fsn.messenger.mms;

public class GenericPdu {
	/**
	 * The headers of pdu.
	 */
	PduHeaders mPduHeaders = null;

	/**
	 * Constructor.
	 */
	public GenericPdu() {
		mPduHeaders = new PduHeaders();
	}

	/**
	 * Constructor.
	 * 
	 * @param headers
	 *            Headers for this PDU.
	 */
	GenericPdu(PduHeaders headers) {
		mPduHeaders = headers;
	}

	/**
	 * Get the headers of this PDU.
	 * 
	 * @return A PduHeaders of this PDU.
	 */
	PduHeaders getPduHeaders() {
		return mPduHeaders;
	}

	/**
	 * Get X-Mms-Message-Type field value.
	 * 
	 * @return the X-Mms-Report-Allowed value
	 */
	public int getMessageType() {
		return mPduHeaders.getOctet(PduHeaders.MESSAGE_TYPE);
	}

	/**
	 * Set X-Mms-Message-Type field value.
	 * 
	 * @param value
	 *            the value
	 * @throws InvalidHeaderValueException
	 *             if the value is invalid. RuntimeException if field's value is
	 *             not Octet.
	 */
	public void setMessageType(int value) throws Exception {
		mPduHeaders.setOctet(value, PduHeaders.MESSAGE_TYPE);
	}

	/**
	 * Get X-Mms-MMS-Version field value.
	 * 
	 * @return the X-Mms-MMS-Version value
	 */
	public int getMmsVersion() {
		return mPduHeaders.getOctet(PduHeaders.MMS_VERSION);
	}

	/**
	 * Set X-Mms-MMS-Version field value.
	 * 
	 * @param value
	 *            the value
	 * @throws InvalidHeaderValueException
	 *             if the value is invalid. RuntimeException if field's value is
	 *             not Octet.
	 */
	public void setMmsVersion(int value) throws Exception {
		mPduHeaders.setOctet(value, PduHeaders.MMS_VERSION);
	}

	/**
	 * Get From value. From-value = Value-length (Address-present-token
	 * Encoded-string-value | Insert-address-token)
	 * 
	 * @return the value
	 */
	public EncodedStringValue getFrom() {
		return mPduHeaders.getEncodedStringValue(PduHeaders.FROM);
	}

	/**
	 * Set From value.
	 * 
	 * @param value
	 *            the value
	 * @throws NullPointerException
	 *             if the value is null.
	 */
	public void setFrom(EncodedStringValue value) {
		mPduHeaders.setEncodedStringValue(value, PduHeaders.FROM);
	}
}
